Finding the Fourth Proportional to 973,415.08, 1,343,298.66 and 543,701.32
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Solution
The fourth proportional to 973,415.08, 1,343,298.66 and 543,701.32 is: 750,299.92
Step by Step Solution
- Step 1: Write the proportion equation
973,415.08 : 1,343,298.66 = 543,701.32 : x - Step 2: Convert to fraction form
973,415.08/1,343,298.66 = 543,701.32/x - Step 3: Cross multiply
973,415.08x = 1,343,298.66 × 543,701.32 - Step 4: Simplify right side
973,415.08x = 730,353,254,596.23 - Step 5: Solve for x
x = 730,353,254,596.23/973,415.08 - Step 6: Final answer
x = 750,299.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.